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QW-5311

– 5 –

5. REPLACEMENT OF BATTERY: MODULE QW-5311

5-1. OPEN DISPLAY

ThismodelisequippedwithEEPROM.Thedisplaycomesintothestatusshownbelowwhentheback

cover is open.

•Thehour-,minute-,andsecond-handsareinnormaloperation

•Themodehandstopsatthe30°position

•Buttonoperationsaredisabled

Returnstotheusualdisplaywhenthecoverisclosed.

Crown

Second hand

Hour hand

Mode hand

Minute hand

5-2. AC (ALL CLEAR)

•BesuretoperformAC(AllClear)afterabatteryisreplaced.UnlessACisperformed,thememory(s)

 and/orcounter(s)maynotbeinitializedandcausemalfunctions.

•Aquick-startcircuitisequipped.

 ExposethedialtothelightBEFOREANDAFTERperformingAC.

Illumination intensity Environment TimeRequiredforActivation

500 Lux

 Indooruorescentlighting

30seconds

5000 Lux

 Windowsunlightoncloudyday

3seconds

5-2-1. Procedures

1) Exposethedialtothelight.

2) TouchtheACcontactandthemainplatewithmetallictweezers.

Thecontactshouldbemadeforabouttwoseconds.

3) Closethebackcover.

4) Exposethedialtothelight.

5) Press

tomovetotheTimekeepingmode.Withoutpressingbuttons,ittakesapproximately

1minutetoautomaticallygototheTimekeepingmode.

6) ConrmthatthewatchisoperatingintheTimekeepingmode.

*Once activated by Quick Start,A nished product has several states, such as “charging” (the

secondhandindicates57seconds).

Casio QW-5311 User Manual

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